Soyntec Netsound 550 alternatives, similar headphones

Poly CS 70 with HL10 handset lifter
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Qtek
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Sony MDR 110LP
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Soyntec Netsound 450
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Soyntec Netsound 455
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Soyntec Netsound 350
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Soyntec Netsound 750
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Soyntec Netsound 500
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Soyntec Netsound 250
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Soyntec Netsound 270
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Soyntec Netsound 240
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Soyntec Netsound 275 duo
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